CD JUMPS DURING PLAYBACK [CAR-NAVIGATION SYSTEM (DISPLAY-INTEGRATED TYPE)]

id0903l4103600

Description

CD jumps during playback (sound drops for a moment)

POSSIBLE CAUSE

•  Car-navigation unit installation malfunction (excessive play, looseness)

•  Tire pressure adjustment malfunction

•  CD malfunction (such as scratches, dirt, burrs, warp, or condensation)

•  Car-navigation unit malfunction

Description	CD jumps during playback (sound drops for a moment)
POSSIBLE CAUSE	• Car-navigation unit installation malfunction (excessive play, looseness) • Tire pressure adjustment malfunction • CD malfunction (such as scratches, dirt, burrs, warp, or condensation) • Car-navigation unit malfunction

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY MALFUNCTION SYMPTOM

•  Verify the malfunction symptom.

•  Does the sound jump when the vehicle is stopped?

Yes

Go to Step 6.

No

Go to the next step.

2

VERIFY MALFUNCTION SYMPTOM

•  Drive the vehicle and verify the malfunction symptom.

•  Does the sound jump while driving on an unlevel road or under other driving conditions (sudden curve, quick operation)?

Yes

Go to the next step.

No

Go to Step 6.

3

VERIFY CAR-NAVIGATION UNIT INSTALLATION CONDITION

•  Inspect the car-navigation unit installation condition (excessive play, looseness).

•  Is the installation condition normal?

Yes

Go to the next step.

No

Repair the installation condition.

4

VERIFY TIRE PRESSURE

•  Verify the tire pressure.

•  Is the tire pressure normal?

Yes

Go to the next step.

No

Replace the car-navigation unit.

(See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)

(See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)

5

VERIFY IF MALFUNCTION CAUSE IS TIRE PRESSURE

•  Adjust the tire pressure to the specified value.

•  Does the sound jump?

Yes

Replace the car-navigation unit.

(See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)

(See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)

No

System is normal (explain to the customer that the cause is the tire pressure).

6

VERIFY DISC

•  Verify the disc condition.

•  Is there any dirt or scratches on the disc?

Yes

Remove dirt on the disc or replace the disc with no damage.

No

Go to the next step.

7

VERIFY IF MALFUNCTION CAUSE IS DISC

•  Replace the CD with one not used when the malfunction occurred.

•  Does the sound jump?

Yes

Replace the car-navigation unit.

(See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)

(See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)

No

System is normal (explain to the customer that the cause is a disc that is either damaged, dirty, warped or wet on the playback side).

Step	Inspection		Action
1	VERIFY MALFUNCTION SYMPTOM • Verify the malfunction symptom. • Does the sound jump when the vehicle is stopped?	Yes	Go to Step 6.
1		No	Go to the next step.
2	VERIFY MALFUNCTION SYMPTOM • Drive the vehicle and verify the malfunction symptom. • Does the sound jump while driving on an unlevel road or under other driving conditions (sudden curve, quick operation)?	Yes	Go to the next step.
2		No	Go to Step 6.
3	VERIFY CAR-NAVIGATION UNIT INSTALLATION CONDITION • Inspect the car-navigation unit installation condition (excessive play, looseness). • Is the installation condition normal?	Yes	Go to the next step.
3		No	Repair the installation condition.
4	VERIFY TIRE PRESSURE • Verify the tire pressure. • Is the tire pressure normal?	Yes	Go to the next step.
4		No	Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.) (See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)
5	VERIFY IF MALFUNCTION CAUSE IS TIRE PRESSURE • Adjust the tire pressure to the specified value. • Does the sound jump?	Yes	Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.) (See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)
5		No	System is normal (explain to the customer that the cause is the tire pressure).
6	VERIFY DISC • Verify the disc condition. • Is there any dirt or scratches on the disc?	Yes	Remove dirt on the disc or replace the disc with no damage.
6		No	Go to the next step.
7	VERIFY IF MALFUNCTION CAUSE IS DISC • Replace the CD with one not used when the malfunction occurred. • Does the sound jump?	Yes	Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.) (See CAR-NAVIGATION UNIT DISASSEMBLY/ASSEMBLY.)
7		No	System is normal (explain to the customer that the cause is a disc that is either damaged, dirty, warped or wet on the playback side).